Published May 13, 2026, 1:22 PM EDT Good guess though, says Disclosure Day's David Koepp Steven Spielberg’s new Western is not a Westworld remake says screenwriter Graphic: Polygon | Source images: Dreamworks/20th Century Fox; Arrow Video/MGM Sign in to your Polygon.com account Twenty-four hours ago, the amateur detectives of Reddit were convinced Steven Spielberg was set to reunite with his Jurassic Park and Disclosure Day screenwriter David Koepp on an updated version of Michael Critchton’s Westworld . News broke on Tuesday that the prolific screenwriter would tackle the sci-fi property for Warner Bros, and paired with Spielberg’s recent admission that he’s developing a Western, a fuse of speculation was lit. But on a call with Polygon, Koepp shot down the rumor. While he was tight-lipped on exactly what to expect from his Westworld , the writer was willing to put the kibosh on speculation that Spielberg was involved. The timing “is a coincidence,” Koepp says.…